WITCO Construction & Development Corporation is a progeny of WITCO Inspection & Testing Corporation (formerly Welding Inspection & Testing Corporation, which was established in 1991).
- Head Office: Unit E-909, 9/F East Tower, Tektite Towers (formerly PSE Centre), Exchange Road, Ortigas Center, Pasig City
- Fabrication Shop: Lot 1-F Sooner Farm Compound, Timbao, Biñan, Laguna
- construction@witco.ph
- WITCO Construction and Development Corporation